PHOTOELECTRIC CONVERSION ELEMENT, AND COMPOSITION FOR PHOTOELECTRIC CONVERSION LAYER FORMATION

• Main Author: TSUCHIYA MIZUHO
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; NANOTECHNOLOGY; PERFORMING OPERATIONS; SEMICONDUCTOR DEVICES; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; TRANSPORTING

To provide a photoelectric conversion element having superior durability, and a composition for photoelectric conversion layer formation to obtain such a photoelectric conversion element.SOLUTION: A photoelectric conversion element has a photoelectric conversion layer between a pair of electrodes. In the photoelectric conversion element, the photoelectric conversion layer contains a surface-preparation agent represented by the general formula (1) below, and semiconductor particles. General formula (1): Q-R1-X-(R2-O)n-R3. [In the formula (1), Q is a sulfanyl group, an alkylsulfanyl group or a univalent heterocyclic group having a sulfur atom, R1 is a direct coupling or an alkylene group, X is an ester bond, R2 is an alkylene group, R3 is an alkyl group, and n is 1 or a larger integer.]SELECTED DRAWING: None 【課題】優れた耐久性を有する光電変換素子とそれを得るための光電変換層形成用組成物を提供する。【解決手段】一対の電極間に光電変換層を有してなる光電変換素子であって、光電変換層が、下記一般式（１）で示される表面処理剤と半導体粒子とを含んでなる光電変換素子。一般式（１）：Ｑ−Ｒ1−Ｘ−（Ｒ2−Ｏ）n−Ｒ3［一般式（１）中、Ｑはスルファニル基、アルキルスルファニル基、又は硫黄原子を有する一価の複素環基であり、Ｒ1は直接結合又はアルキレン基であり、Ｘはエステル結合であり、Ｒ2はアルキレン基であり、Ｒ3はアルキル基であり、ｎは１以上の整数である。］【選択図】なし